Learning Task 1: Choose the letter of the best answer.
1. The following are examples of physical change except
a. Melting of ice
C. rusting of iron
b. Freezing of water
d. dissolving salt in water
2. Which of the following correctly describes how heat behaves
a. It moves from a warmer region to a colder region
b. It does not get absorbed or released by particles of substances
c. It is gained by particles of a substance only
d. It move from a colder region
3. A physical change will:
a. Create a new substance.
b. Will have an energy transference
c. Will use oxidation
d. Will change the properties of the substance
4. When a solid reaches the temperature of its it can become a liquid.
a. Melting point
c. freezing point
b. Boiling point
d. density​

Heat flow inside earth activity i chose chemistry cause there is no science alert! the newspaper has been hacked, and all of the headlines have been changed to reflect old legends. it is your task to make sure they are corrected. choose one of the newspaper headlines. you will rewrite the headline and a one-to-two-paragraph article to make the news scientifically correct. be sure to include the following in your corrected newspaper article: new title reflecting correct information detailed information about the processes and tectonic plate interactions that are causing the geological event to occur real-world example of where to find the geological event on earth (picture and location) also review the grading rubric before you begin.

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line